{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Anatomy"], "input": "TS expression of the primary oral cancer cells in the group with lymph node metastasis was higher than that of those without ."}
{"Anatomy": ["primary oral cancer cells", "lymph node"]}